Voipcrest S.

We have team who has 12 years software development and design experience in VOIP, telecom and database domains. Strong Programming and debugging experience in UNIX network programming, Linux Programming, Multi-Threading, libraries development, CLI programming, POSIX Thread programming, Socket programming(TCP,UDP and Web Sockets etc..),Client/Server Programming, Asynchronous and synchronous I/O programming ,Inter Process communication, Database programming, SQL, Developing new Application level protocols using TCP/IP, UDP, and Web Sockets, classes, interfaces and STL. Programming experience on development of SIP servers,call processors,registrars,presence and Proxies,media servers and ACD. Programming experience on WebRTC,WebSockets,ICE and NAT handling. Experience on Asterisk PBX(Installation,setup,programming,developing modules and debugging) Programming experience on Open SER and RTP Proxy. Experience in developing web applications using Java, J2EE, Spring, Hibernate,AngularJS